Sofa



FIG. 1 is a front elevational view of a sofa embodying my new design;

FIG. 2 is a perspective view taken from the top, front and left side thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a front elevational view of a second embodiment thereof similar to the FIG. 1 embodiment except being the mirrow image thereof.

The fragementary broken line representation of a cushion in FIG. 2 is for the purpose of illustration only and forms no part of the claimed design. 

The ornamental design for a sofa, as shown and described. 